MERCEDES-BENZ, MERCEDES-MAYBACH

LI91.16-P-073576

2026-05-20 · NHTSA 11032885

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Complaint • Driver's seat and/or front passenger seat cannot be adjusted. • Not possible to adjust front seats to memory preset. • Head restraints of front seats cannot be adjusted. • Cannot move to chauffeur mode/reclining seat position. Fault identification: → Create log of seat control unit (both conditions must be met) 1. Fault B1F7E54 "Head restraint inclination adjustment not normalized. No calibration." stored in fault memory. 2. Value "0C" present in seat control unit log service 0X220239 (see attachment "seat control unit log"). If fault B1FBB15 "Malfunction in 'Head restraint inclination' switch. There is a short circuit to positive or an open circuit." is also stored in the fault memory, the cause might also be due to the wiring or terminal contacts. Cause Faulty head restraints Remedy Replace the affected head restraint

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.